compiler/include/exec/execbase.h

   1 #ifndef EXEC_EXECBASE_H
   2 #define EXEC_EXECBASE_H
   3
   4 /*
   5     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: structure of exec.library
   9     Lang: english
  10 */
  11
  12 #ifndef EXEC_INTERRUPTS_H
  13 #   include <exec/interrupts.h>
  14 #endif
  15 #ifndef EXEC_LIBRARIES_H
  16 #   include <exec/libraries.h>
  17 #endif
  18 #ifndef EXEC_LISTS_H
  19 #   include <exec/lists.h>
  20 #endif
  21 #ifndef EXEC_TASKS_H
  22 #   include <exec/tasks.h>
  23 #endif
  24
  25 /* Most fields are PRIVATE */
  26 struct ExecBase
  27 {
  28 /* Standard Library Structure */
  29     struct Library LibNode;
  30
  31 /* System Constants */
  32     UWORD SoftVer;      /* OBSOLETE */
  33     WORD  LowMemChkSum;
  34     IPTR  ChkBase;
  35     APTR  ColdCapture;
  36     APTR  CoolCapture;
  37     APTR  WarmCapture;
  38     APTR  SysStkUpper;  /* System Stack Bounds */
  39     APTR  SysStkLower;
  40     IPTR  MaxLocMem;    /* Chip Memory Pointer */
  41     APTR  DebugEntry;
  42     APTR  DebugData;
  43     APTR  AlertData;
  44     APTR  MaxExtMem;    /* Extended Memory Pointer (may be NULL) */
  45     UWORD ChkSum;       /* SoftVer to MaxExtMem */
  46
  47 /* Interrupts */
  48     struct IntVector IntVects[16];
  49
  50 /* System Variables */
  51     struct Task * ThisTask;       /* Pointer to currently running task
  52                                      (readable) */
  53     ULONG        IdleCount;
  54     ULONG        DispCount;
  55     UWORD        Quantum;        /* # of ticks, a task may run */
  56     UWORD        Elapsed;        /* # of ticks, the current task has run */
  57     UWORD        SysFlags;
  58     BYTE         IDNestCnt;
  59     BYTE         TDNestCnt;
  60     UWORD        AttnFlags;      /* Attention Flags (see below) (readable) */
  61     UWORD        AttnResched;
  62     APTR         ResModules;
  63     APTR         TaskTrapCode;
  64     APTR         TaskExceptCode;
  65     APTR         TaskExitCode;
  66     ULONG        TaskSigAlloc;
  67     UWORD        TaskTrapAlloc;
  68
  69 /* PRIVATE Lists */
  70     struct List        MemList;
  71     struct List        ResourceList;
  72     struct List        DeviceList;
  73     struct List        IntrList;
  74     struct List        LibList;
  75     struct List        PortList;
  76     struct List        TaskReady;      /* Tasks that are ready to run */
  77     struct List        TaskWait;       /* Tasks that wait for some event */
  78     struct SoftIntList SoftInts[5];
  79
  80 /* Miscellaneous Stuff */
  81     LONG               LastAlert[4];
  82
  83     UBYTE              VBlankFrequency;      /* (readable) */
  84     UBYTE              PowerSupplyFrequency; /* (readable) */
  85                                              /* AROS PRIVATE: VBlankFreq * PowerSupplyFreq = Timer Tick Rate */
  86     struct List        SemaphoreList;
  87
  88 /* Kickstart */
  89     APTR KickMemPtr;
  90     APTR KickTagPtr;
  91     APTR KickCheckSum;
  92
  93 /* Miscellaneous Stuff */
  94     UWORD          ex_Pad0;            /* PRIVATE */
  95     IPTR           ex_LaunchPoint;     /* PRIVATE */
  96     APTR           ex_RamLibPrivate;
  97     ULONG          ex_EClockFrequency; /* (readable) */
  98     ULONG          ex_CacheControl;    /* PRIVATE */
  99     ULONG          ex_TaskID;
 100     ULONG          ex_Reserved1[5];
 101     APTR           ex_MMULock;         /* PRIVATE */
 102     ULONG          ex_Reserved2[3];
 103     struct MinList ex_MemHandlers;
 104     APTR           ex_MemHandler;      /* PRIVATE */
 105
 106 /* Additional fields for AROS */
 107     struct Library      * DebugAROSBase;
 108     void                * PlatformData;     /* different for all platforms */
 109 };
 110
 111 /* AttnFlags */
 112 /* Processors */
 113 #define AFB_68010        0
 114 #define AFF_68010   (1L<<0)
 115 #define AFB_68020        1
 116 #define AFF_68020   (1L<<1)
 117 #define AFB_68030        2
 118 #define AFF_68030   (1L<<2)
 119 #define AFB_68040        3
 120 #define AFF_68040   (1L<<3)
 121 /* Co-Processors */
 122 #define AFB_68881        4
 123 #define AFF_68881   (1L<<4)
 124 #define AFB_68882        5
 125 #define AFF_68882   (1L<<5)
 126 #define AFB_FPU40        6
 127 #define AFF_FPU40   (1L<<6)
 128 #define AFB_PRIVATE      15 /* PRIVATE */
 129 #define AFF_PRIVATE (1L<<15)
 130
 131 /* Cache */
 132 #define CACRF_EnableI       (1L<<0)
 133 #define CACRF_FreezeI       (1L<<1)
 134 #define CACRF_ClearI        (1L<<3)
 135 #define CACRF_IBE           (1L<<4)
 136 #define CACRF_EnableD       (1L<<8)
 137 #define CACRF_FreezeD       (1L<<9)
 138 #define CACRF_ClearD        (1L<<11)
 139 #define CACRF_DBE           (1L<<12)
 140 #define CACRF_WriteAllocate (1L<<13)
 141 #define CACRF_EnableE       (1L<<30)
 142 #define CACRF_CopyBack      (1L<<31)
 143
 144 /* DMA */
 145 #define DMA_Continue    (1L<<1)
 146 #define DMA_NoModify    (1L<<2)
 147 #define DMA_ReadFromRAM (1L<<3)
 148
 149 #endif /* EXEC_EXECBASE_H */